OpenTechnical

OT-2026-000041559

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000041559) never changes.

Identity and time

Publication numberOT-2026-000041559 · never reused
Internal UUID01a0ae79-e89f-7e86-99f4-e51cebe91375 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041559
StatusPUBLIC

Content hashes

Canonical textacba54ffd1521c0be7be8c7a412386ec832eb15ca84cb1acccc36f795c915e0d
Markdownc8d46f5302377fca30d20f9aed8a4172259729708214da26f76bceca3cb890d5
PDF
Publication pageb76e2e7336641799954a4423405e2055919fcccfeef4c4e88b725b97149066a5
Manifest2d720fe068ab2d2d3b8404f655b180a339a50c8f38c08eac039939a8355301db

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature7mgQdqjYu/COtpYsMWRzrUk+9Cuxv7utARvp5UKPD7pcVQo01/NsxEUTF8B0hIdkMHiw4u92MUJbFKKrKBzdDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:20.352374ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041559
observed b76e2e7336641799954a4423405e2055...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.335553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041559/manifest.json
observed 2d720fe068ab2d2d3b8404f655b180a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.317195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041559/publication.md
observed c8d46f5302377fca30d20f9aed8a4172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:20.299102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041559/publication.txt
observed acba54ffd1521c0be7be8c7a412386ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.